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1940s
File:1940s decade montage.png, Above title bar: events during World War II (1939–1945): From left to right: Troops in an LCVP landing craft approaching Omaha Beach on D-Day; Adolf Hitler visits Paris, soon after the Battle of France; The Holocaust occurs as Nazi Germany carries out a programme of systematic state-sponsored genocide, during which approximately six million European Jews are killed; The Japanese attack on the American naval base of Pearl Harbor launches the United States into the war; An Observer Corps spotter scans the skies of London during the Battle of Britain and The Blitz; The creation of the Manhattan Project leads to the atomic bombings of Hiroshima and Nagasaki, the first uses of nuclear weapons, which kill over a quarter million people and lead to the Japanese surrender; Japanese Foreign Minister Mamoru Shigemitsu signs the Instrument of Surrender on behalf of the Japanese Government, on board , effectively ending the war. Below title bar: events aft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Manhattan Project
The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It was led by the United States with the support of the United Kingdom and Canada. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the United States Army Corps of Engineers, U.S. Army Corps of Engineers. Nuclear physicist Robert Oppenheimer was the director of the Los Alamos Laboratory that designed the actual bombs. The Army component of the project was designated the Manhattan District as its first headquarters were in Manhattan; the placename gradually superseded the official codename, Development of Substitute Materials, for the entire project. Along the way, the project absorbed its earlier British counterpart, Tube Alloys. The Manhattan Project began modestly in 1939, but grew to employ more than 130,000 people and cost nearly US$2 billion (equivalent to about $ billion in ). Over 90 percent of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atomic Bombings Of Hiroshima And Nagasaki
The United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki on 6 and 9 August 1945, respectively. The two bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in armed conflict so far. In the final year of World War II, the Allies prepared for a costly invasion of the Japanese mainland. This undertaking was preceded by a conventional and firebombing campaign that devastated 64 Japanese cities. The war in the European theatre concluded when Germany surrendered on 8 May 1945, and the Allies turned their full attention to the Pacific War. By July 1945, the Allies' Manhattan Project had produced two types of atomic bombs: "Fat Man", a plutonium implosion-type nuclear weapon; and "Little Boy", an enriched uranium gun-type fission weapon. The 509th Composite Group of the United States Army Air Forces was trained and equipped with the specialized Silverplate version of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auschwitz Concentration Camp
Auschwitz concentration camp ( (); also or ) was a complex of over 40 concentration and extermination camps operated by Nazi Germany in occupied Poland (in a portion annexed into Germany in 1939) during World War II and the Holocaust. It consisted of Auschwitz I, the main camp (''Stammlager'') in Oświęcim; Auschwitz II-Birkenau, a concentration and extermination camp with gas chambers; Auschwitz III-Monowitz, a labor camp for the chemical conglomerate IG Farben; and dozens of subcamps. The camps became a major site of the Nazis' final solution to the Jewish question. After Germany sparked World War II by invading Poland in September 1939, the ''Schutzstaffel'' (SS) converted Auschwitz I, an army barracks, into a prisoner-of-war camp. The initial transport of political detainees to Auschwitz consisted almost solely of Poles for whom the camp was initially established. The bulk of inmates were Polish for the first two years. In May 1940, German criminals brought to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
D-Day
The Normandy landings were the landing operations and associated airborne operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. Codenamed Operation Neptune and often referred to as D-Day, it was the largest seaborne invasion in history. The operation began the liberation of France (and later western Europe) and laid the foundations of the Allied victory on the Western Front. Planning for the operation began in 1943. In the months leading up to the invasion, the Allies conducted a substantial military deception, codenamed Operation Bodyguard, to mislead the Germans as to the date and location of the main Allied landings. The weather on D-Day was far from ideal, and the operation had to be delayed 24 hours; a further postponement would have meant a delay of at least two weeks, as the invasion planners had requirements for the phase of the moon, the tides, and the time of day that meant only a few days each month were d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer
A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as Computer program, programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the Computer hardware, hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of Programmable logic controller, industrial and Consumer electronics, consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ENIAC
ENIAC (; Electronic Numerical Integrator and Computer) was the first programmable, electronic, general-purpose digital computer, completed in 1945. There were other computers that had these features, but the ENIAC had all of them in one package. It was Turing-complete and able to solve "a large class of numerical problems" through reprogramming. Although ENIAC was designed and primarily used to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory), its first program was a study of the feasibility of the thermonuclear weapon. ENIAC was completed in 1945 and first put to work for practical purposes on December 10, 1945.* ENIAC was formally dedicated at the University of Pennsylvania on February 15, 1946, having cost $487,000 (), and was heralded as a "Giant Brain" by the press. It had a speed on the order of one thousand times faster than that of electro-mechanical machines; this ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marshall Plan
The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative enacted in 1948 to provide foreign aid to Western Europe. The United States transferred over $13 billion (equivalent of about $ in ) in economic recovery programs to Western European economies after the end of World War II. Replacing an earlier proposal for a Morgenthau Plan, it operated for four years beginning on April 3, 1948. The goals of the United States were to rebuild war-torn regions, remove trade barriers, modernize Manufacturing, industry, improve European prosperity and prevent the spread of communism. The Marshall Plan proposed the reduction of interstate barriers and the economic integration of the European Continent while also encouraging an increase in productivity as well as the adoption of modern business procedures. The Marshall Plan aid was divided among the participant states roughly on a per capita basis. A larger amount was given to the major industrial powers, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuremberg Trials
The Nuremberg trials were held by the Allies of World War II, Allies against representatives of the defeated Nazi Germany, for plotting and carrying out invasions of other countries, and other crimes, in World War II. Between 1939 and 1945, Nazi Germany invaded many countries across Europe, inflicting 27 million deaths in the Soviet Union alone. Proposals for how to punish the defeated Nazi leaders ranged from a show trial (the Soviet Union) to summary executions (the United Kingdom). In mid-1945, France, the Soviet Union, the United Kingdom, and the United States agreed to convene a joint tribunal in Nuremberg, with the Nuremberg Charter as its legal instrument. Between 20 November 1945 and 1 October 1946, the International Military Tribunal (IMT) tried 21 of the most important surviving leaders of Nazi Germany in the political, military, and economic spheres, as well as six German organizations. The purpose of the trial was not just to convict the defendants but also to as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Israeli Declaration Of Independence
The Israeli Declaration of Independence, formally the Declaration of the Establishment of the State of Israel ( he, הכרזה על הקמת מדינת ישראל), was proclaimed on 14 May 1948 ( 5 Iyar 5708) by David Ben-Gurion, the Executive Head of the World Zionist Organization, Chairman of the Jewish Agency for Palestine, and soon to be first Prime Minister of Israel. It declared the establishment of a Jewish state in Eretz-Israel, to be known as the State of Israel, which would come into effect on termination of the British Mandate at midnight that day. The event is celebrated annually in Israel with a national holiday Independence Day on 5 Iyar of every year according to the Hebrew calendar. Background The possibility of a Jewish homeland in Palestine had been a goal of Zionist organizations since the late 19th century. In 1917 British Foreign Secretary Arthur Balfour stated in a letter to British Jewish community leader Walter, Lord Rothschild that: His Majesty's ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japanese Instrument Of Surrender
The Japanese Instrument of Surrender was the written agreement that formalized the surrender of the Empire of Japan, marking the end of hostilities in World War II. It was signed by representatives from the Empire of Japan and from the Allied nations: the United States of America, the Republic of China,The Republic of China was the only government of China until the People's Republic of China was promulgated in 1949. the United Kingdom of Great Britain and Northern Ireland, the Union of Soviet Socialist Republics, the Commonwealth of Australia, the Dominion of Canada, the Provisional Government of the French Republic, the Kingdom of the Netherlands, and the Dominion of New Zealand. The signing took place on the deck of in Tokyo Bay on 2 September 1945. The date is sometimes known as Victory over Japan Day, although that designation more frequently refers to the date of Emperor Hirohito's ''Gyokuon-hōsō'' (Imperial Rescript of Surrender), the radio broadcast announcement of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mamoru Shigemitsu
was a Japanese diplomat and politician in the Empire of Japan, who served as Minister of Foreign Affairs three times during and after World War II as well as the Deputy Prime Minister of Japan. As civilian plenipotentiary representing the Japanese government, Shigemitsu co-signed the Japanese Instrument of Surrender on board the battleship ''USS Missouri'' on September 2, 1945. Early life and career Shigemitsu was born in what is now part of the city of Bungo-ōno, Ōita Prefecture, Japan. He graduated from the Law School of Tokyo Imperial University in 1911 and immediately entered the Ministry of Foreign Affairs. After World War I, he served in numerous overseas diplomatic assignments, including Germany, the United Kingdom, and, briefly, as consul at the Japanese consulate in Seattle, Washington, United States. Activities in the lead-up to World War II Following the Mukden Incident in 1931, Shigemitsu was active in various European capitals, attempting to reduce alarm at J ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
